package hou;

public class Test06 {
    public static void main(String[] args) {
        A a = new A();
        System.out.println(A.m);
    }
}

class A{
    static{
        System.out.println("A静态代码块");
        m = 300;
    }

    static int m = 200;

    public A(){
        System.out.println("A无参");
    }
}
